package exception;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了...");
        try {
            String line1 = null;
            System.out.println(line1.length());

            String line = "abc";
            System.out.println(Integer.parseInt(line));


            String line2 = "";
            System.out.println(line2.charAt(0));
            /*
        } catch (NullPointerException e) {
            System.out.println("出现了空指针异常并解决了");
             */
        }catch (NullPointerException | StringIndexOutOfBoundsException e){
            System.out.println("出现空指针或字符串下标越界异常并解决了");
        }catch (Exception e){
            System.out.println("反正就是出了个错并解决了");
        }
        System.out.println("程序结束了");
    }
}
